Enhanced bacterioplankton production and respiration at intermediate salinities in the Mississippi River plume

Bacterial abundance and production (thymidine and leucine incorporation) were measured along a salinity gradient from the Mississippi Rlver (0 % o ) to the open waters of the Gulf of Mexico (36 %a) during July-August 1990 and February 1991. Bactenal production in surface waters was maximal at intermediate salinities (15 to 30 %o). Nutrlent enrichment experiments suggested that bacterial growth near the outflow of the river was C limited whereas bacteria in plume waters of intermediate salinities were P and N limited. Rates of plankton community oxygen demand measured during winter were also maximal at intermediate salinities indicating an area of increased heterotrophic activity. The oxygen demand associated with heterotrophic bacterioplankton activity during summer was an important factor leading to hypoxic conditions in bottom waters of the Louisiana continental shelf. In summer, bacterial abundance and production ranged from 0.25 to 3.34 X log cells 1.' and from 4 to 90 pg C 1-' d-l, respectively. In winter, the corresponding ranges were 0.36 to 1.09 X log cells I-' and 3 to 20 pg C 1-' d-' Depth-integrated bacterial production on the Louisiana shelf decreased from 443 k 144 mg C m-2 d' in summer to 226 f 124 mg C m-2 d-' in winter. Using empirically-derived bacterial growth efficiency values of 19 and 29 %, we estimated that bacterial production in summer could be supported by 10 to 58 % of phytoplankton production. In winter, the amount of carbon needed to support bacterial production exceeded phytoplankton production suggesting that bacterial growth during this season was heavily dependent on riverine sources of organic matter.

• Publication year

  1993

• Venue

  Oceanographic Literature Review

• Publication date

  1993-05-01

• Fields of study

  Chemistry, Environmental Science

• Identifiers
  DOI 10.3354/MEPS087087
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar

• No claims are published for this paper.

• No concepts are published for this paper.

• Modern and Ancient Continental Shelf Anoxia

  1993cited by this paper
• Dynamics of Bacterioplankton Abundance and Production in Seagrass Communities of a Hypersaline Lagoon

  1991cited by this paper
• Changes in Mississippi River Water Quality this CenturyImplications for coastal food webs

  1991influential reference
• DNA Synthesis and Tritiated Thymidine Incorporation by Heterotrophic Freshwater Bacteria in Continuous Culture

  1991influential reference
• A brief summary of hypoxia on the northern Gulf of Mexico continental shelf: 1985–1988

  1991cited by this paper
• Inorganic Phosphorus Stimulation of Bacterioplankton Production in a Meso-Eutrophic Lake

  1991cited by this paper
• Determination of bacterioplankton biomass, net production and growth efficiency in the Southern Ocean

  1991cited by this paper
• Bacterioplankton and Organic Carbon Dynamics in the Lower Mesohaline Chesapeake Bay

  1990influential reference
• Metabolic activity of size-fractionated microbial plankton in estuarine, near-shore, and continental shelf waters of Georgia

  1990cited by this paper
• Formation of carbonyl compounds from UV‐induced photodegradation of humic substances in natural waters: Fate of riverine carbon in the sea

  1990cited by this paper
• Enhanced primary production at the plume/oceanic interface of the Mississippi River

  1990cited by this paper
• Microbial biomass in the coastal plume of Chesapeake Bay: Phytoplankton‐bacterioplankton relationships

  1990cited by this paper
• Benthic community metabolism and microbial dynamics in the Gulf of Trieste (Northern Adriatic Sea)

  1989cited by this paper
• Bacterial production in the Rhone River plume: effect of mixing on relationships among microbial assemblages

  1989influential reference
• Size fractionated metabolism of coastal microbial plankton

  1989cited by this paper
• [Methyl-3H]thymidine macromolecular incorporation and lipid labeling: their significance to DNA labeling during measurements of aquatic bacterial growth rate

  1989cited by this paper
• Protein content and protein synthesis rates of planktonic marine bacteria

  1989cited by this paper
• Photochemical source of biological substrates in sea water: implications for carbon cycling

  1989cited by this paper
• Estimating Bacterial Production in Marine Waters from the Simultaneous Incorporation of Thymidine and Leucine

  1988cited by this paper
• Bacterial production in fresh and saltwater ecosystems: a cross-system overview

  1988cited by this paper
• Calculation of Cell Production from [3H]Thymidine Incorporation with Freshwater Bacteria

  1988cited by this paper
• Bacterial production in the Delaware Bay estuary estimated from thymidine and leucine incorporation rates

  1988cited by this paper
• Limitations of the [3H]thymidine method for estimating bacterial productivity due to thymidine metabolism

  1988cited by this paper
• A chemical survey of the Mississippi estuary

  1987cited by this paper
• Relationships between Biovolume and Biomass of Naturally Derived Marine Bacterioplankton

  1987cited by this paper
• Spatial and Temporal Variations in Bacterial Macromolecule Labeling with [methyl-3H]Thymidine in a Hypertrophic Lake

  1986cited by this paper
• Depth Distribution of Bacterial Production in a Stratified Lake with an Anoxic Hypolimnion

  1986cited by this paper
• Bacterioplankton growth yield in continuous seawater cultures

  1986cited by this paper
• RELATIONSHIPS AMONG PHYSICAL CHARACTERISTICS, VEGETATION DISTRIBUTION AND FISHERIES YIELD IN GULF OF MEXICO ESTUARIES

  1986cited by this paper
• Leucine incorporation and its potential as a measure of protein synthesis by bacteria in natural aquatic systems

  1985cited by this paper
• Empirical relationships between bacterial abundance and chlorophyll concentration in fresh and marine waters

  1984cited by this paper
• Measurements of Diel Rates of Bacterial Secondary Production in Aquatic Environments

  1984cited by this paper
• Nucleic acid synthesis in oceanic microplankton from the drake passage, antarctica: Evaluation of steady-state growth

  1983cited by this paper
• World-Wide Delivery of River Sediment to the Oceans

  1983cited by this paper
• The Ecological Role of Water-Column Microbes in the Sea*

  1983cited by this paper
• Bacterial dynamics and distribution during a spring diatom bloom in the Hudson River plume, USA

  1983cited by this paper
• Influence of river-ocean plumes upon bacterioplankton production of the Strait of Georgia, British Columbia

  1983cited by this paper
• Production and Fate of Bacteria in the Oceans

  1983cited by this paper
• Statistical analysis of the direct count method for enumerating bacteria

  1982cited by this paper
• Characteristics of phytoplankton production off Barataria Bay in an area influenced by the Mississippi River.

  1981cited by this paper
• The use of DAPI for identifying and counting aquatic microflora1

  1980cited by this paper
• Organic carbon and nitrogen concentrations and annual organic carbon load of six selected rivers of the United States

  1976cited by this paper

• Mechanisms Underpinning the Net Removal Rates of Dissolved Organic Carbon in the Global Ocean

  2024cites this paper
• Subsidy-stress responses of ecosystem functions along experimental freshwater salinity gradients

  2024cites this paper
• Source, composition, and reactivity of particulate organic matter along the Changjiang Estuary salinity gradient and adjacent sea

  2023cites this paper
• The dispersal of fluvially discharged and marine, shelf-produced particulate organic matter in the northern Gulf of Mexico

  2023cites this paper
• Unified understanding of intrinsic and extrinsic controls of dissolved organic carbon reactivity in aquatic ecosystems

  2022cites this paper
• Early Diagenesis in the Hypoxic and Acidified Zone of the Northern Gulf of Mexico: Is Organic Matter Recycling in Sediments Disconnected From the Water Column?

  2021cites this paper
• The Lability and Source of Particulate Organic Matter in the Northern Gulf of Mexico Hypoxic Zone

  2020cites this paper
• Soft-bottom community responses in a marine area influenced by recurrent dumping activities and freshwater discharges.

  2020cites this paper
• Winter river plumes shape community composition and activity of heterotrophic microorganisms on the Oregon Coast

  2020cites this paper
• Linking optical and chemical signatures of dissolved organic matter in the southern Argentine shelf: Distribution and bioavailability

  2019cites this paper
• Allochthonous Organic Matter Supports Benthic but Not Pelagic Food Webs in Shallow Coastal Ecosystems

  2018cites this paper
• Allochthonous Organic Matter Supports Benthic but Not Pelagic Food Webs in Shallow Coastal Ecosystems

  2018cites this paper
• Chronicles of hypoxia: Time-series buoy observations reveal annually recurring seasonal basin-wide hypoxia in Muskegon Lake – A Great Lakes estuary

  2018cites this paper
• Gammaproteobacterial Diversity and Carbon Utilization in Response to Salinity in the Lakes on the Qinghai–Tibetan Plateau

  2018cites this paper
• Significance of metabolically active bacterioplankton in the frontal regions of the Northeastern Arabian Sea

  2018cites this paper
• Assessment of bacterial biomass in the highly contaminated urban Nanming River, Guiyang, SW China

  2017cites this paper
• Molecular Exploration of Bioavailable Dissolved Organic Matter Across Aquatic Ecosystems

  2017cites this paper
• Composition, transfert et dynamique de la matière organique dissoute (MOD) dans les eaux fluviales et estuariennes : impact des activités agricoles

  2016cites this paper
• Biological hot spots and the accumulation of marine dissolved organic matter in a highly productive ocean margin

  2016cites this paper
• Influence of the Mississippi River plume and non-bioavailable DMSP on dissolved DMSP turnover in the northern Gulf of Mexico

  2016cites this paper
• Changing Bacterial Growth Efficiencies across a Natural Nutrient Gradient in an Oligotrophic Estuary

  2015cites this paper
• Molecular-level changes of dissolved organic matter along the Amazon River-to-ocean continuum

  2015cites this paper
• Late Quaternary benthic foraminifera and the Orinoco Plume

  2015cites this paper
• The fate of terrigenous dissolved organic carbon in a river‐influenced ocean margin

  2014cites this paper
• Functional Tradeoffs Underpin Salinity-Driven Divergence in Microbial Community Composition

  2014cites this paper
• Intertwining the elemental cycles of iron and carbon: Iron’s influence on the fate and dynamics of organic carbon in the environment

  2014cites this paper
• Bacterial production along a river-to-ocean continuum in central Chile: implications for organic matter cycling

  2013influential citation
• Analysis of Composition and Structure of Coastal to Mesopelagic Bacterioplankton Communities in the Northern Gulf of Mexico

  2013cites this paper
• Impact of the inflow of Vistula river waters on the pelagic zone in the Gulf of Gdansk

  2013cites this paper
• Revisiting the disappearance of terrestrial dissolved organic matter in the ocean: a δ 13 C study

  2013cites this paper
• Plankton community respiration, net ecosystem metabolism, and oxygen dynamics on the Louisiana continental shelf: Implications for hypoxia

  2013cites this paper
• Annual cycle of humic substances in a temperate estuarine system affected by agricultural practices

  2013cites this paper
• Revisiting the disappearance of terrestrial DOM in the ocean

  2013cites this paper
• Carbon fluxes in the pelagic ecosystem of the Gulf of Trieste (Northern Adriatic Sea)

  2012cites this paper
• Factors Affecting Short-term Oxygen Variability in the Northern Gulf of Mexico Hypoxic Zone

  2012cites this paper
• Dissolved organic matter composition and bioavailability reflect ecosystem productivity in the Western Arctic Ocean

  2012cites this paper
• The large variation in organic carbon consumption in spring in the East China Sea

  2012cites this paper
• Impacts of Hypoxia on Zooplankton Spatial Distributions in the Northern Gulf of Mexico

  2012cites this paper
• Metabolism of free-living and particle-associated prokaryotes: Consequences for carbon flux around a Southern Ocean archipelago

  2012cites this paper
• Longitudinal and depth variation of bacterioplankton productivity and related factors in a temperate estuary

  2011cites this paper
• Degradation capability of the coastal environment adjacent to the Itata River in central Chile (36.5° S)

  2011cites this paper
• Recruitment of Members from the Rare Biosphere of Marine Bacterioplankton Communities after an Environmental Disturbance

  2011cites this paper
• 5.02 – Dissolved Organic Carbon Cycling and Transformation

  2011cites this paper
• Degradation capability of the coastal environment in central Chile

  2011cites this paper
• Bacterial production and respiration in subtropical Hong Kong waters: influence of the Pearl River discharge and sewage effluent

  2010influential citation
• Mesopelagic prokaryotic bulk and single-cell heterotrophic activity and community composition in the NW Africa-Canary Islands coastal-transition zone

  2009cites this paper
• Glaciers as a source of ancient and labile organic matter to the marine environment

  2009cites this paper
• Bacterial production in the Lower Mississippi River: importance of suspended sediment and phytoplankton biomass

  2009cites this paper
• Coupling of autotrophic and heterotrophic plankton food web components in the tidal-freshwater James River, USA

  2009cites this paper
• Microbial productivity in the Neuse River and Pamlico Sound estuarine system: Patterns and perturbations

  2009cites this paper
• Collection of intact sediment cores with overlying water to study nitrogen- and oxygen-dynamics in regions with seasonal hypoxia

  2009cites this paper
• Fates of dissolved and particulate materials from the Mississippi river immediately after discharge into the northern Gulf of Mexico, USA, during a period of low wind stress

  2008cites this paper
• Comparison of hypoxia among four river-dominated ocean margins: The Changjiang (Yangtze), Mississippi, Pearl, and Rhone rivers

  2008cites this paper
• Seasonal and spatial variation of bacterial community structure in river-mouth areas of Gokasho bay, Japan.

  2008cites this paper
• Heterotrophic Bacterial Respiration

  2008cites this paper
• Microbial food web contributions to bottom water hypoxia in the northern Gulf of Mexico

  2008cites this paper
• Major inter-annual variations in microbial dynamics in the Gulf of Trieste (northern Adriatic Sea) and their ecosystem implications

  2007cites this paper
• The influence of the balance of inorganic and organic nitrogen on the trophic dynamics of microbial food webs

  2007cites this paper
• The spatial distribution of microbes in the environment

  2007cites this paper
• Microbes and the marine phosphorus cycle

  2007cites this paper
• Spatial Heterogeneity Of Planktonic Microorganisms In Aquatic Systems

  2007cites this paper
• Bacterial Productivity Distribution During a Rainy Year in an Estuarine System

  2007cites this paper
• A review of water column processes influencing hypoxia in the northern Gulf of Mexico

  2007cites this paper
• Effects of Land Use and Land Cover, Stream Discharge, and Interannual Climate on the Magnitude and Timing of Nitrogen, Phosphorus, and Organic Carbon Concentrations in Three Coastal Plain Watersheds

  2006cites this paper
• Importance of planktonic community respiration on the carbon balance of the East China Sea in summer

  2006cites this paper
• Trophic position of zebra mussel veligers and their use of dissolved organic carbon

  2006cites this paper
• Dissolved organic phosphorus in the Mississippi River plume during spring and fall 2002

  2006cites this paper
• Distribution of picophytoplankton and bacterioplankton along a river plume gradient in the Mediterranean Sea

  2005cites this paper
• Indicadores bacterianos como herramientas para medir la calidad ambiental del agua costera

  2005cites this paper
• Relationships between heterotrophic bacteria and cyanobacteria in the northern Adriatic in relation to the mucilage phenomenon.

  2005cites this paper
• Growth and grazing rates of bacteria groups with different apparent DNA content in the Gulf of Mexico

  2004cites this paper
• High-resolution measurements of chromophoric dissolved organic matter in the Mississippi and Atchafalaya River plume regions

  2004cites this paper
• Seasonal and spatial distribution of bacterial production and biomass along a salinity gradient (Northern Adriatic Sea)

  2004cites this paper
• Biogeochemical gradients in the lower Columbia River

  2004cites this paper
• Planktonic community production and respiration and the impact of bacteria on carbon cycling in the photic zone of Lake Kinneret

  2004cites this paper
• Building bridges across subdisciplines in marine ecology

  2004cites this paper
• Transformation of Dissolved and Particulate Materials on Continental Shelves Influenced by Large Rivers: Plume Processes

  2004influential citation
• Microbial ammonium cycling in the Mississippi River plume during the drought spring of 2000

  2004influential citation
• Microbial respiration and production in the Delaware Estuary

  2004cites this paper
• Bacterial abundance, production and organic carbon limitation in the Southern Ocean (39–62°S, 4–14°E) during the austral summer 1997/1998

  2004cites this paper
• Phytoplankton community structure and productivity along the axis of the Mississippi River plume in oligotrophic Gulf of Mexico waters

  2004cites this paper
• Picophytoplankton and bacterioplankton in the Mississippi River plume and its adjacent waters

  2004cites this paper
• Heterotrophic bacterial activity and fluxes of dissolved free amino acids and glucose in the Arctic rivers Ob, Yenisei and the adjacent Kara Sea

  2004influential citation
• Sedimentation, carbon export and food web structure in the Mississippi River plume described by inverse analysis

  2004cites this paper
• Biological effects of Mississippi River nitrogen on the northern gulf of Mexico—a review and synthesis

  2003influential citation
• Methane oxidation potential in the water column of two diverse coastal marine sites

  2003influential citation
• Planktonic community respiration in the East China Sea: importance of microbial consumption of organic carbon

  2003cites this paper
• Planktonic and bacterial respiration along an estuarine gradient: responses to carbon and nutrient enrichment

  2003influential citation
• P-limitation of respiration in the Sargasso Sea and uncoupling of bacteria from P-regeneration in size-fractionation experiments

  2003cites this paper
• Diversity and Production of Phytoplankton in the Offshore Mississippi River Plume and Coastal Environments

  2003cites this paper
• Responses of a Mediterranean soft bottom community to short-term (1993-1996) hydrological changes in the Rhone river.

  2003cites this paper
• Photo- and heterotrophic pico- and nanoplankton in the Mississippi River plume: distribution and grazing activity

  2003influential citation
• Effect of nutrient amendments on bacterioplankton production, community structure, and DOC utilization in the northwestern Sargasso Sea

  2002cites this paper
• Sediment denitrification in the Gulf of Mexico zone of hypoxia

  2002cites this paper
• Dynamics of bacterial respiration and related growth efficiency, dissolved nutrients and dissolved oxygen concentration in a subarctic coastal embayment

  2002cites this paper
• Microplankton metabolism along a trophic gradient in a shallow-temperate estuary

  2002cites this paper
• Stimulation of Regeneration of Inorganic Nitrogen and Phosphorus in Surface and Bottom Waters of a Eutrophic Inlet by Adding Effective Bacteria

  2002cites this paper
• Chapter 3 – Chemical Composition and Reactivity

  2002cites this paper
• DOM in the Coastal Zone

  2002cites this paper
• Production and Removal Processes

  2002cites this paper